Mammalia - Perissodactyla - Equidae
Synonyms: Altippus Douglass 1908, Pediohippus Schlaikjer 1935
Full reference: O. C. Marsh. 1874. Notice of new equine mammals from the Tertiary formation. American Journal of Science 7(39):247-258
Parent taxon: Anchitheriinae according to B. J. MacFadden 1998
See also Carroll 1988, Douglass 1908, Forsten 1974, Hay 1902, Jahns 1940, Lofgren et al. 2020, Osborn 1918, Prothero and Schoch 1989, Prothero and Shubin 1989, Schlaikjer 1937, Scott 1913 and Stirton 1940
Sister taxa: none
Subtaxa: Anchitherium longicristis Miohippus anceps Miohippus annectens Miohippus assiniboiensis Miohippus condoni Miohippus equiceps Miohippus equinanus Miohippus gemmarosae Miohippus gidleyi Miohippus grandis Miohippus intermedius Miohippus obliquidens Miohippus primus Miohippus quartus Miohippus taxus
Type: Miohippus annectens
Ecology: ground dwelling browser
Distribution:
• Miocene of Canada (1: Saskatchewan collection), United States (1: Texas)
• Harrisonian of Canada (1: Saskatchewan), United States (2: Montana, South Dakota)
• Arikareean of United States (19: California, Florida, Idaho, Montana, Nebraska, Oregon, South Dakota, Wyoming)
• Oligocene of Canada (5: Saskatchewan), United States (50: California, Colorado, Florida, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington, Wyoming)
• Eocene to Oligocene of Mexico (1)
• Eocene of Canada (1: Saskatchewan), United States (6: Montana, South Dakota)
Total: 87 collections including 103 occurrences
Specimen images are retrieved through the ePANDDA API.
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